biomolecules Flashcards

1
Q

monomer and polymer e.g.of fatty acids

A

monomer -stearic acid

polymer: triacylglycerols, phospholipids

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2
Q

biomolecules in body

A

main: sugars, nucleotides, fatty acids, amino acids
other biomolecules: cholesterol/steroid hormones, vitamins (niacin, folic acid), co-factors (NADH, coenzyme A), xenobiotics

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3
Q

describe properties of carbohydrates

A
  • hydrophilic, polar
  • general formula (CH2O)n
  • energy source or storage
  • part of bacterial cell wall
  • cell surface proteins often glycosylated
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4
Q

difference between aldose and ketose

A

isomers, same chemical formula

  • aldose contain aldehyde group, glucose
  • ketoses contain kept group, fructose
  • humans use D-sugars
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